package cn.edu.ncut.cs.springboot.petmanagementsystem.service;

import java.util.Map;

public interface StatisticsService {
    /**
     * 获取用户数据统计
     */
    Map<String, Object> getUserStatistics(Long userId);

    /**
     * 获取宠物健康趋势
     */
    Map<String, Object> getHealthTrend(Long petId, Integer months);
}
